Year	current US$
1960	19400000
1961	21500000
1962	34700000
1963	40700000
1964	56100000
1965	62800000
1966	72900000
1967	77500000
1968	87100000
1969	104245000
1970	102893000
1971	110963000
1972	119036000
1973	130816000
1974	167009000
1975	251116000
1976	209998000
1977	218025000
1978	228715000
1979	256922000.00000003
1980	349937000
1981	316254000
1982	307665000
1983	298664000
1984	251498000
1985	300630000
1986	331513000
1987	336597000
1988	286858000
1989	296859566
1990	321371672
1991	341727214
1992	474184879
1993	507426591
1994	532328936
1995	2061382172
1996	3027077793
1997	650986360
1998	705457819
1999	709812991
2000	735401429
2001	792207395
2002	727921795
2003	768296308
2004	863664387
2005	944503063
2006	964632519
2007	1058770057
2008	1135094708
2009	801971764
2010	710797033
2011	769412502
2012	798254100
2013	827735440
2014	810720342
2015	695440377
2016	636147886
2017	660030668
2018	672295199
2019	713388063
2020	1727082483